Surname 蕃洪 (蕃洪 
) , across the world, is a very rare last name. The surname 蕃洪 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 蕃洪 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 蕃洪 | China |